Abstract
ObjectiveOxidative stress may be associated with polycystic ovary syndrome (PCOS) and poor outcomes after assisted reproduction treatment. It is unclear if systematic oxidative stress is correlated with live birth rate in patients with PCOS after controlled ovarian stimulation. This study aimed to investigate the serum oxidative stress markers on the day of trigger hCG and its relationship with live birth rate in young non-obese women with or without PCOS undergoing in vitro fertilization/intracytoplasmic sperm injection (IVF/ICSI) treatment. Study designIn this prospective cohort study, 50 patients with PCOS and 50 patients without PCOS aged less than 35 years and undergoing IVF/ICSI between February 2017 and January 2018 were studied. The body mass index (BMI) of all participants was less than 28 kg/m2. Serum malondialdehyde (MDA), superoxide dismutase (SOD) and glutathione peroxidase (GPx) levels on the day of hCG were measured. Demographic and cycle characteristics, embryo laboratory data and pregnancy outcomes after fresh embryo transfer were analyzed. Univariate analysis and logistic regression analysis were used to analyze independent variables predicting the live birth rate. ResultsAfter conventional ovarian stimulation, the patients with PCOS had higher serum MDA and GPx concentrations (P < 0.03) and lower serum SOD levels (P < 0.03) on the hCG trigger day than the controls. Further, the serum MDA and GPx levels on the trigger day were also positively correlated with the number of good quality embryos (R = 0.26, P = 0.01; R = 0.21, P = 0.04; respectively). However, cycle characteristics, IVF/ICSI outcomes and pregnancy outcomes were comparable between the two groups. Multivariate logistic regression analysis showed that the rate of good quality embryos (OR 1.04, 95 %CI 1.01–1.06, P = 0.005) and the duration of infertility (OR 0.74, 95 %CI 0.56−0.98, P = 0.04) were predictive factors of live birth rate. The ROC curve analysis showed the AUC for the model was 0.76 (95 %CI: 0.67−0.86, P < 0.001). ConclusionThe data suggest that moderate systemic oxidative stress on the hCG trigger day had no detrimental effects on live birth rate in young and non-obese patients with PCOS after IVF/ICSI treatment.
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